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Old 14th Jan 2001, 00:19
  #20 (permalink)  
MaxNg
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Red face

Wooden pole patrol required that the A/C be one and a half rotor spans laterally. It was also recommended that you keep possitive airspeed Idealy (40 kts)but this was difficult to maintain as 11 Kv patrols (single wooden lines) would follow a ring cct and would return you back to the sub/stn you recently left and resembled somthing of clover leaf pattern with each circuit having spurs going up to individual farm Houses, factories and such like services. 44Kv (doudle wooden poles) were relativly easier and would be flown at somwhere between 20-30 kts ground speed same latteral spacing.
Hope that this info helps